Check the listing for details. 20-Piece Air Valve Connector Inline Tubing for Aquarium. Condition: New. Listed at 8.99 USD. Aquarium Airline Air Tube Tubing Connectors Filters, 20-Piece Aquarium Tubing; Type : Tee Shape, Straight Shape . Material : Plastic; Color : White . These Air Tube Connectors are use with standard aquarium tubing.T-connectors Dimension (Each One): 1. 2"(L) x 0. 72"(W) x 0. 25"(T).Straight : Connectors Dimension (Each One): 1. 08"(L) x 0. 32"(D)Package included: 20 x aquarium tubing connectors ( 10 t-connectors and 10 straight connectors) 20 pcs aquarium airline air tube tubing connectors filters aquarium airline connectors for mending or extending standard airline hose .Made of plastic material for long time use this aquarium tube . connectors set including 10 pieces t-connectors and 10 pieces straight connectors . T-connectors allow you to combine two inputs to create one output. They are excellent for use with dual outlet pumps. tubing pipe connector. Healthy and non-toxic, great to use to connect 5mm aquarium tubing airline.